Description

class Zend_Locale does not recognize standardized locale strings. According to the RFC:
http://tools.ietf.org/html/rfc4646 see section "2.1. Syntax"
" ... Subtags are distinguished and separated from one another
by a hyphen ("-", ABNF [RFC4234] %x2D)."
a hyphen is the one and only characted to separate language and country parts of the locale.